When implementing a 24-hour cancellation policy, Air France takes passengers' needs and circumstances into account. When it comes to reservations, Air France offers its customers more incentives and possibilities. According to Air France 24 hour cancellation policy, a traveller has 24 hours from the time of purchase to cancel a flight reservation. You will get a full refund if you purchase your ticket more than one week before the scheduled departure date of your Air France trip. At any time, Air France has the right to modify cancellations made up to 24 hours in advance.